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Posted by Michael Fesser on 08/21/07 14:56
..oO(Shelly)
>Here is a problem I have come across a few times and wonder if there is a
>simple solution.
>
>On my form I have a submit button called, say, addEntry. I do a test for it
>as
>
>if (isset($_POST[addEntry'])) { code to insert stuff into the database }
>
>The problem is that after clicking the button, and the code returns it to
>the same screen, if the user clicks the refresh button on the browser it
>will add another entry. Is there a simple way to unset an html field test?
After processing the form, send a Location header (with absolute URL)
back to the browser to redirect him to the same page. Now when a user
hits refresh, the browser will just send a normal GET request, not a
POST again.
http://www.php.net/header
Micha
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